Re: [PATCH] spapr/kvm: Set default cpu model for all machine classes

[Jiri Denemark]

Hi David.

On Wed, Oct 30, 2019 at 17:32:43 +0100, David Gibson wrote:
> We have to set the default model of all machine classes, not just for the
> active one. Otherwise, "query-machines" will indicate the wrong CPU model
> ("qemu-s390x-cpu" instead of "host-s390x-cpu") as "default-cpu-type".
> 
> s390x already fixed this in de60a92e "s390x/kvm: Set default cpu model for
> all machine classes".  This patch applies a similar fix for the pseries-*
> machine types on ppc64.
> 
> Doing a
>     {"execute":"query-machines"}
> under KVM now results in
>     {
>       "hotpluggable-cpus": true,
>       "name": "pseries-4.2",
>       "numa-mem-supported": true,
>       "default-cpu-type": "host-powerpc64-cpu",
>       "is-default": true,
>       "cpu-max": 1024,
>       "deprecated": false,
>       "alias": "pseries"
>     },
>     {
>       "hotpluggable-cpus": true,
>       "name": "pseries-4.1",
>       "numa-mem-supported": true,
>       "default-cpu-type": "host-powerpc64-cpu",
>       "cpu-max": 1024,
>       "deprecated": false
>     },
>     ...
> 
> Libvirt probes all machines via "-machine none,accel=kvm:tcg" and will
> currently see the wrong CPU model under KVM.

Will this patch make it into 4.2.0?

Jirka